body
{
    overflow-y: hidden;
}
.C_align-parent
{
    position: relative;
}

.C_align-child
{
    left: 50%;
    margin: 4% 0 0 0;
    position: absolute;
    text-align: right;
    top: 50%;
    width: 50%;
}
.code {
    overflow-y: auto;
    height: 100%;
    padding: 0;
}
.padding-4 {
    padding: 4px;
}